19204920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{7621}}^1$

素因数の和:7645

約数の個数: 96

約数和(自身を含む): 71341920

約数和(自身を除く): 52137000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 7621, 15242, 22863, 30484, 38105, 45726, 53347, 60968, 68589, 76210, 91452, 106694, 114315, 137178, 152420, 160041, 182904, 213388, 228630, 266735, 274356, 304840, 320082, 342945, 426776, 457260, 480123, 533470, 548712, 640164, 685890, 800205, 914520, 960246, 1066940, 1280328, 1371780, 1600410, 1920492, 2133880, 2400615, 2743560, 3200820, 3840984, 4801230, 6401640, 9602460, 19204920]

約数ペア:

[(1, 19204920), (2, 9602460), (3, 6401640), (4, 4801230), (5, 3840984), (6, 3200820), (7, 2743560), (8, 2400615), (9, 2133880), (10, 1920492), (12, 1600410), (14, 1371780), (15, 1280328), (18, 1066940), (20, 960246), (21, 914520), (24, 800205), (28, 685890), (30, 640164), (35, 548712), (36, 533470), (40, 480123), (42, 457260), (45, 426776), (56, 342945), (60, 320082), (63, 304840), (70, 274356), (72, 266735), (84, 228630), (90, 213388), (105, 182904), (120, 160041), (126, 152420), (140, 137178), (168, 114315), (180, 106694), (210, 91452), (252, 76210), (280, 68589), (315, 60968), (360, 53347), (420, 45726), (504, 38105), (630, 30484), (840, 22863), (1260, 15242), (2520, 7621)]